4. Television
  5. Two-way video and voice communication
  6. User positioning

Robert Keith Riffee

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Home videoconferencing system (HVS)

Television – Two-way video and voice communication – User positioning
Patent

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Narrowband video codec

Pulse or digital communications – Bandwidth reduction or expansion – Television or motion video signal
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1974530

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